001
014
015 package com.liferay.portal.kernel.messaging;
016
017 import com.liferay.portal.kernel.cache.Lifecycle;
018 import com.liferay.portal.kernel.cache.ThreadLocalCacheManager;
019 import com.liferay.portal.kernel.concurrent.ThreadPoolExecutor;
020 import com.liferay.portal.kernel.log.Log;
021 import com.liferay.portal.kernel.log.LogFactoryUtil;
022 import com.liferay.portal.kernel.util.CentralizedThreadLocal;
023
024 import java.util.Set;
025
026
034 public class SerialDestination extends BaseAsyncDestination {
035
036 public SerialDestination() {
037 super();
038
039 setWorkersCoreSize(_WORKERS_CORE_SIZE);
040 setWorkersMaxSize(_WORKERS_MAX_SIZE);
041 }
042
043
046 public SerialDestination(String name) {
047 super(name, _WORKERS_CORE_SIZE, _WORKERS_MAX_SIZE);
048 }
049
050 @Override
051 protected void dispatch(
052 final Set<MessageListener> messageListeners, final Message message) {
053
054 ThreadPoolExecutor threadPoolExecutor = getThreadPoolExecutor();
055
056 Runnable runnable = new MessageRunnable(message) {
057
058 public void run() {
059 try {
060 populateThreadLocalsFromMessage(message);
061
062 for (MessageListener messageListener : messageListeners) {
063 try {
064 messageListener.receive(message);
065 }
066 catch (MessageListenerException mle) {
067 _log.error(
068 "Unable to process message " + message, mle);
069 }
070 }
071 }
072 finally {
073 ThreadLocalCacheManager.clearAll(Lifecycle.REQUEST);
074
075 CentralizedThreadLocal.clearShortLivedThreadLocals();
076 }
077 }
078
079 };
080
081 threadPoolExecutor.execute(runnable);
082 }
083
084 private static final int _WORKERS_CORE_SIZE = 1;
085
086 private static final int _WORKERS_MAX_SIZE = 1;
087
088 private static Log _log = LogFactoryUtil.getLog(SerialDestination.class);
089
090 }